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24742883641 = 7410305241
BaseRepresentation
bin10111000010110010…
…100111000100111001
32100212101002201110211
4113002302213010321
5401133134234031
615211113511121
71534103020000
oct270262470471
970771081424
1024742883641
11a547792773
1249664124a1
1324441a1968
1412aa177c37
1599c334bb1
hex5c2ca7139

24742883641 has 10 divisors (see below), whose sum is σ = 28864982842. Its totient is φ = 21208183920.

The previous prime is 24742883629. The next prime is 24742883663. The reversal of 24742883641 is 14638824742.

It can be written as a sum of positive squares in only one way, i.e., 24142633641 + 600250000 = 155379^2 + 24500^2 .

It is not a de Polignac number, because 24742883641 - 25 = 24742883609 is a prime.

It is a super-2 number, since 2×247428836412 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24742883441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5150220 + ... + 5155021.

Almost surely, 224742883641 is an apocalyptic number.

It is an amenable number.

24742883641 is a deficient number, since it is larger than the sum of its proper divisors (4122099201).

24742883641 is an frugal number, since it uses more digits than its factorization.

24742883641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10305269 (or 10305248 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 49.

The spelling of 24742883641 in words is "twenty-four billion, seven hundred forty-two million, eight hundred eighty-three thousand, six hundred forty-one".

Divisors: 1 7 49 343 2401 10305241 72136687 504956809 3534697663 24742883641